//
//  NSSinSignal.h
//  SpeedTest
//
//  Created by Han Mingjie on 2020/4/3.
//  Copyright © 2020 MingJie Han. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN
@protocol NSSinSignalDelegate;
@interface NSSinSignal : NSObject{
    id <NSSinSignalDelegate> delegate;
}
@property (nonatomic) id <NSSinSignalDelegate> delegate;
-(void)start_signal;
@end

@protocol NSSinSignalDelegate <NSObject>
@required
-(void)signal:(NSMutableArray <NSMutableArray <NSNumber *>*>*)ecg_array;
@end

NS_ASSUME_NONNULL_END
